2044030321 has 4 divisors (see below), whose sum is σ = 2045308644. Its totient is φ = 2042752000.

The previous prime is 2044030319. The next prime is 2044030333. The reversal of 2044030321 is 1230304402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1230304402 = 2 ⋅615152201.

It can be written as a sum of positive squares in 2 ways, for example, as 1932833296 + 111197025 = 43964^2 + 10545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044030321 - 2¹ = 2044030319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044030361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636760 + ... + 639961.

It is an arithmetic number, because the mean of its divisors is an integer number (511327161).

Almost surely, 2^2044030321 is an apocalyptic number.

It is an amenable number.

2044030321 is a deficient number, since it is larger than the sum of its proper divisors (1278323).

2044030321 is a wasteful number, since it uses less digits than its factorization.

2044030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278322.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2044030321 is about 45210.9535511031. The cubic root of 2044030321 is about 1269.0998066223.

Adding to 2044030321 its reverse (1230304402), we get a palindrome (3274334723).

The spelling of 2044030321 in words is "two billion, forty-four million, thirty thousand, three hundred twenty-one".